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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,383 | 26,238 | 26,238 |
| 2006 | $10,595 | 6,470 | 6,470 |
| 2007 | $16,058 | 14,079 | 14,079 |
| 2008 | $33,876 | 41,155 | 41,155 |
| 2009 | $13,544 | 10,177 | 10,177 |
| 2010 | $26,792 | 19,231 | 19,231 |
| 2011 | $59,859 | 48,186 | 48,186 |
Note: Quantity represents Weight in kilograms
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